package com.zcj.gulimall.product.exception;

import com.zcj.common.exception.BizCodeEnum;
import com.zcj.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.MethodNotSupportedException;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.*;

import java.util.HashMap;
import java.util.Map;


/**
 * 集中处理所有异常
 */
@Slf4j
//@RestController
//@ControllerAdvice(basePackages = "com.zcj.gulimall.product.controller")
@RestControllerAdvice(basePackages = "com.zcj.gulimall.product.controller")
public class ExceptionControllerAdvice {

    /**
     * 参数校验异常
     * @param e
     * @return
     */
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e){
        log.error("数据校验异常{},异常类型{}",e.getMessage(), e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String,String> map = new HashMap<>();
        bindingResult.getFieldErrors().forEach(fieldError->{
            map.put(fieldError.getField(),fieldError.getDefaultMessage());
        });
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(), BizCodeEnum.VALID_EXCEPTION.getMsg()).put("data",map);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){
        return R.error(BizCodeEnum.UNKNOW_EXCEPTION.getCode(),BizCodeEnum.UNKNOW_EXCEPTION.getMsg());
    }
}
